package com.heima.jopo.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet(name = "exit",urlPatterns = "/exit")
public class ExitServlet extends HttpServlet{

    @Override
    protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        //获取Sesssion
        HttpSession session = request.getSession();
        session.invalidate();//让Sesssion失效

        response.sendRedirect("html/login.jsp");
    }
}
